Mechanical Engineering

All three branches are relatively similar. All deals with the mechanical part of engineering.
Though in automobile engineering, you mainly deal with engine and motors of vehicles.
Whereas in mechanical engineering, you deal with every aspect of mechanics that is there.
Mechatronics is a combination of mech and electronics where you deal with combined electronic and mechanical aspects of things. This is a relatively newer branch and should be pursued from good institutes only.

Hi Girish,
Please find the link below for detailed information on the admission process for various courses at University College of Engineering:
https://www.shiksha.com/university/anna-university-chennai-3084/admission#admission

Yes, you can. Many mechanical engineers are pursuing their careers in the field of robotics.

You have very few chances of getting mechanical branch. It depends on the availability of seats at the time of counselling. So, please participate in the counselling conducts by AU from June 4th onwards.
For more information, please visit www.audoa.in.

Yes, your brother may have a chance of getting seat in AU affiliated colleges but not in AU.
So, please participate in the counselling conducts by AU from June 4th onwards.
For more information, please visit www.audoa.in.

UPSEE 2018 College Predictor
Use your UPSEE 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges & rounds you may crack
The result is based on admissions data of UPSEE 2017
Get resources & insights on colleges & courses
https://www.shiksha.com/b-tech/resources/upsee-college-predictor.

Please specify the entrance test in which you secured this rank so that I may be able to populate relevant details regarding your eligibility to pursue this course.
Regards.

No, with the rank of 60935, you will not get admission in Lakkireddy Bali College of Engineering. But, you can definitely get admission in good colleges of your city as well as state. Best of luck for your future and if there's any query, feel free to ask.